Co-director of the Arsenal–Institut für Film und Videokunst in Berlin. Program curator and film scholar. Member of the selection committee of the Forum at the Berlin Film Festival. Curatorial projects mostly in the area of contemporary documentary film and current international cinema (including Chantal Akerman, Lisandro Alonso, Olivier Assayas, Catherine Breillat, Pedro Costa, Jean-Pierre & Luc Dardenne, Claire Denis, Lav Diaz, Miguel Gomes, Heddy Honigmann, Brillante Mendoza, Agnès Varda, Apichatpong Weerasethakul). Founder and co-editor of the internet magazine ‘nach dem film'. Editor of the publication ‘Performing Documentary', of the Kinemathekheft Nr. 99 ‘Jean Eustache' as well as '1968 // 2008–40 Jahre Mai 68 und der Film'. Also various lectureships (most recently: Curating in Theory and Practice), jury memberships, lectures, and publications.